Version 4
SHEET 1 896 680
WIRE -16 96 -128 96
WIRE 112 96 64 96
WIRE 160 96 112 96
WIRE 320 96 240 96
WIRE 368 96 320 96
WIRE 464 96 448 96
WIRE 480 96 464 96
WIRE 592 96 560 96
WIRE -128 112 -128 96
WIRE 320 128 320 96
WIRE -128 208 -128 192
WIRE 192 208 192 192
WIRE 512 208 512 192
WIRE 112 224 112 96
WIRE 160 224 112 224
WIRE 464 224 464 96
WIRE 480 224 464 224
WIRE 320 240 320 192
WIRE 320 240 224 240
WIRE 592 240 592 96
WIRE 592 240 544 240
WIRE 640 240 592 240
WIRE 160 256 144 256
WIRE 480 256 464 256
WIRE 192 288 192 272
WIRE 320 288 320 240
WIRE 512 288 512 272
WIRE -96 336 -96 320
WIRE 0 336 0 320
WIRE 112 384 112 224
WIRE 160 384 112 384
WIRE 320 384 320 352
WIRE 320 384 240 384
WIRE 464 384 464 256
WIRE 464 384 320 384
WIRE -96 432 -96 416
WIRE 0 432 0 416
FLAG 0 432 0
FLAG 192 192 +V
FLAG 0 320 +V
FLAG 192 288 -V
FLAG -96 432 0
FLAG -96 320 -V
FLAG -128 208 0
FLAG 512 192 +V
FLAG 512 288 -V
FLAG 144 256 0
FLAG -128 96 IN
FLAG 640 240 OUT
SYMBOL voltage 0 320 R0
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL voltage -96 320 R0
SYMATTR InstName V2
SYMATTR Value -15
SYMBOL res 256 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL voltage -128 96 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value SINE(0 10 100)
SYMBOL diode 304 128 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL res 80 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL res 256 368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL res 464 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL res 576 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL diode 304 288 R0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL opamps\\LT1001A 192 176 R0
SYMATTR InstName U1
SYMBOL opamps\\LT1001A 512 176 R0
SYMATTR InstName U2
TEXT 520 352 Left 2 !.tran 30m
TEXT 256 40 Bottom 2 ;Precision Absolute Value Circuit